.right_contentBg{
    display: flex;
    flex-direction: column;
    row-gap: 2.5rem;
}


.material_info_bg{
    display: flex;
    flex-direction: column;
    row-gap: 0.9375rem;
}

    .material_info_section {
        /* border-bottom: 1px solid rgba(0, 0, 0, 0.1);
        padding-bottom: 1.875rem; */
    }
    .material_info_section:not(:last-of-type) {
        border-bottom: 1px solid rgba(0, 0, 0, 0.1);
        padding-bottom: 1.875rem;
    }







    .material_info_bg .right_title4{


    }




.material_info_bg .text_area{

}


.material_info_bg .text_area ~ .material_download_area{
    margin-top: clamp(1.613rem, 2.6vw, 3.125rem);
}   

.material_download_area{
    margin: 0;
    padding: 0;
    list-style-type : none;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    /* gap: 0.9375rem; */
    color: var(--primary_color);
    font-size: 0.9375rem;
    line-height: 1;


    display: grid;
	grid-template-columns: repeat(4 , 1fr);
	gap: 0.9375rem;
}

    .material_download_area li{
        margin: 0;
        padding: 0;
        list-style-type : none;
        display: block;
        /*width: calc((100% / 4) - (3 * 0.9375rem / 4));*/ /* 4欄平均寬度，扣除間距  */
        transition: 0.3s ease all;
    }

        .material_download_area li a{
            text-decoration: none;
            color: inherit;
            display: flex;
            /* flex-wrap: wrap; */
            align-items: center;
            gap: .3125rem;
            word-break: break-word;
        }

        .material_download_area li a:before{
            display: inline-block;
            font-family: "Material Icons";
            font-style: normal;
            color: var(--dark_color);
            margin-right: 0px;
            content: '\ef4a';
            font-size: calc(0.9375rem * 0.4);
        }



     .material_download_area li:hover{
        opacity: 0.5;
        transition: 0.3s ease all;
    }






@media (max-width: 990px){

.material_download_area{    
	grid-template-columns: repeat(2 , 1fr);
}

    .material_download_area li{
        /*width: calc((100% / 2) - (1 * 0.9375rem / 2));*/ /* 4欄平均寬度，扣除間距  */
    }

}